.. currentmodule:: playdoh

.. _example-map:

Example: map
============

Simple example of the :func:`map` function.

::

    from playdoh import *
    
    
    # The function to parallelize
    def fun(x):
        return x ** 2
    
    
    # This line is required on Windows, any call to a Playdoh function
    # must be done after this line on this OS.
    # See http://docs.python.org/library/multiprocessing.html#windows
    if __name__ == '__main__':
        # Execute ``fun(1)`` and ``fun(2)`` in parallel on two CPUs on this machine
        # and return the result.
        print map(fun, [1, 2], cpu=2)